Logic control for fast-acting safety system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 13, 2009
Grant Date -
Feb 21, 2002
app pub date -
Aug 13, 2001
filing date -
Aug 14, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to perform a specified action upon detection of the dangerous condition. The machines further include a control system adapted to test the operability of at least a portion of the detection system and/or the reaction system. The control system is adapted to disable the motor if the tested portion is inoperable.
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